275161381427 has 2 divisors, whose sum is σ = 275161381428. Its totient is φ = 275161381426.

The previous prime is 275161381379. The next prime is 275161381447. The reversal of 275161381427 is 724183161572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275161381427 is a prime.

It is not a weakly prime, because it can be changed into another prime (275161381447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137580690713 + 137580690714.

It is an arithmetic number, because the mean of its divisors is an integer number (137580690714).

Almost surely, 2^275161381427 is an apocalyptic number.

275161381427 is a deficient number, since it is larger than the sum of its proper divisors (1).

275161381427 is an equidigital number, since it uses as much as digits as its factorization.

275161381427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 47.

The spelling of 275161381427 in words is "two hundred seventy-five billion, one hundred sixty-one million, three hundred eighty-one thousand, four hundred twenty-seven".